Disaster Preparedness and Recovery: Photographic Materials

Introduction: The aim of this study was to use TaqMan real-time PCR technique to investigate Jaagsiekte sheep retrovirus (JSRV) proviral DNA in whole blood samples of sheep, and compare the results to those of histopathological examinations. Material and Methods: Eighty blood samples from clinically healthy sheep were randomly collected before the animals were slaughtered. Ten tissue samples from each lung and associated caudal mediastinal lymph node were taken. Results: Fifteen (18.75%) blood samples were found to contain proviral DNA, and 11 (13.75%) corresponding lung samples showed microscopic changes consistent with ovine pulmonary adenocarcinoma. None of the samples displayed metastases to the caudal mediastinal lymph nodes. The prominent pattern of neoplastic nodules consisted of acinar (alveolar) form. Conclusion: The results indicated the higher sensitivity of real-time PCR compared to histopathological examinations in detection of ovine pulmonary adenocarcinoma.

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Disaster Preparedness and Recovery: Photographic Materials

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Observations from the Analysis of the Gelatin Silver Emulsion Layer of Glass Photographic Inter-Positive Plates from Eadweard Muybridge’s Animal Locomotion Series at the National Museum of American History

Observations from the Analysis of the Gelatin Silver Emulsion Layer of Glass Photographic Inter-Positive Plates from Eadweard Muybridge’s Animal Locomotion Series at the National Museum of American History

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The Soaking Resistance of Electronic Storage Media

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